Home / 2,077.04-2,863.68-1,329.76

Finding the Fourth Proportional to 2,077.04, 2,863.68 and 1,329.76

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Solution

The fourth proportional to 2,077.04, 2,863.68 and 1,329.76 is: 1,833.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.04 : 2,863.68 = 1,329.76 : x
  2. Step 2: Convert to fraction form
    2,077.04/2,863.68 = 1,329.76/x
  3. Step 3: Cross multiply
    2,077.04x = 2,863.68 × 1,329.76
  4. Step 4: Simplify right side
    2,077.04x = 3,808,007.12
  5. Step 5: Solve for x
    x = 3,808,007.12/2,077.04
  6. Step 6: Final answer
    x = 1,833.38

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.